Aspar SDM-6TE 6 Temperatue Inputs Expansion Module User manual

Brand: Aspar

Model: SDM-6TE 6 Temperatue Inputs Expansion Module

Type: User manual

SDM-6TE

Expansion Module – 6 temperatue inputs

Version 1.2 User Manual

Manufactured for

SDM-6TE

User Manual

Expansion modul – 6 temperature inputs

User Manual Version 1.2 2 z 17

Thank you for choosing our product.

This manual will help you with proper support and proper operation of the device.

The information contained in this manual have been prepared with utmost care by our

professionals and serve as a description of the product without incurring any liability for

the purposes of commercial law.

This information does not release you from the obligation of own judgement and

verification.

We reserve the right to change product specifications without notice.

Please read the instructions carefully and follow the recommendations contained

therein.

WARNING!

Failure to follow instructions can result in equipment damage or impede

the use of the hardware or software..

SDM-6TE

User Manual

1. Safety rules

•Before first use, refer to this manual

•Before first use, make sure that all cables are connected properly

•Please ensure proper working conditions, according to the device specifications

(eg: supply voltage, temperature, maximum power consumption)

•Before making any modifications to wiring connections, turn off the power supply

2. Module Features

2.1. Purpose and description of the module

The SDM-6TE module allows you to measure the temperature with attached popular

sensor Pt100, Pt500, Pt1000, Ni100, KTY81-110, NTC (Carel) and thermocouple (type

J, K, T, N, S, R, B). In addition, it is possible to measure voltages in the range 256mV

(10μV resolution) and to 2048mV (100μV resolution) as well as the measurement of

resistance to 8kΩ.

The device has a set of six inputs for the temperature measurement. It is possible to 2-

or 3-wire measurement of sensors Pt100, Ni100, Pt500, Pt1000 and 2-wire

measurement thermocouples and other sensors. In addition, the module is equipped with

2 configurable digital outputs (alarms).

Values are read via RS485 (Modbus), so we can easily integrate the module with

popular PLCs, HMI or PC equipped with the appropriate adapter.

This module is connected to the RS485 bus with twisted-pair wire. Communication is

via MODBUS RTU or MODBUS ASCII. The use of 32-bit ARM core processor

provides fast processing and quick communication. The baud rate is configurable from

2400 to 115200.

The module is designed for mounting on a DIN rail in accordance with DIN EN 5002.

The module is equipped with a set of LEDs used to indicate the status of inputs and

outputs useful for diagnostic purposes and helping to find errors.

Module configuration is done via USB by using a dedicated computer program. You

can also change the parameters using the MODBUS protocol.

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2.2. Technical Specifications

Power Supply

Voltage 10-30 VDC; 10-28VAC

Maximum Current DC: 52 mA @ 24VDC

AC: 62 mA @ 24VAC

Maximum power consumption DC: 1,25W; AC: 1,5VA

Inputs

No of inputs 6

Pt100 operation range -200°C - +850°C

Pt500 operation range -200°C - +850°C

Pt1000 operation range -200°C - +850°C

Ni100 operation range -60°C - +180°C

KTY81-110 operation range -55°C - +150°C

J operation range -200°C - +1200°C

K operation range -200°C - +1300°C

T operation range -200°C - +400°C

N operation range -200°C - +1300°C

S operation range -0°C - +1700°C

R operation range -0°C - +1700°C

B operation range -0°C - +1800°C

Resistance From 0 to 8000Ω (1Ω resolution)

Voltage 0 to 2048mV (0,1mV resolution)

0 to 256mV (0,01mV resolution)

Measuring current ~250μA

Measurement resolution 0,1°C

Measurement error ±0,5°C

Cold junction temperature

measurement -55°C - +100°C

Measurement error of the cold

junction temperature ±1°C

ADC processing time 150ms / channel

Isolation 1500 Vrms

Digital outputs Maximum current and voltage 500mA / 55V

Isolation 1500 Vrms

Temperature Work -10 °C - +50°C

Storage -40 °C - +85°C

Connectors

Power Supply 2 pins

Communication 3 pins

Inputs 2x 10 pins

Configuration Mini USB

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Size

Height 110 mm

Lenght 62 mm

Width 88 mm

Interface RS485 Up to 128 devices

2.3. Dimensions of the product

Look and dimensions of the module are shown below. The module is mounted directly

to the rail in the DIN industry standard. Power connectors, communication and IOs are

at the bottom and top of the module. USB connector configuration and indicators

located on the front of the module.

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3. Communication configuration

3.1. Grounding and shielding

In most cases, IO modules will be installed in an enclosure along with other devices

which generate electromagnetic radiation. Examples of these devices are relays and

contactors, transformers, motor controllers etc. This electromagnetic radiation can

induce electrical noise into both power and signal lines, as well as direct radiation into

the module causing negative effects on the system. Appropriate grounding, shielding

and other protective steps should be taken at the installation stage to prevent these

effects. These protective steps include control cabinet grounding, module grounding,

cable shield grounding, protective elements for electromagnetic switching devices,

correct wiring as well as consideration of cable types and their cross sections.

3.2. Network Termination

Transmission line effects often present a problem on data communication networks.

These problems include reflections and signal attenuation.

To eliminate the presence of reflections from the end of the cable, the cable must be

terminated at both ends with a resistor across the line equal to its characteristic

impedance. Both ends must be terminated since the direction of propagation is bi-

directional. In the case of an RS485 twisted pair cable this termination is typically

120 Ω.

3.3. Setting Module Address in RS485 Modbus Network

The following table shows how to set switch to determine the address of the module.

The module address is set with the switches in the range of 0 to 127. Addresses From

128 to 255 can by set via RS485 or USB.

Switch Adress

SW1 +1

SW2 +2

SW3 +4

SW4 +8

SW5 +16

SW6 +32

SW7 +64

Ex. if switches 1, 3 and 5 are on than module addres is:

Address = 1 + 4 + 16 = 21

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3.4. Types of Modbus Registers

There are 4 types of variables available in the module

Type Beginning adress Variable Access Modbus

Command

1 00001 Digital Outputs Bit

Read & Write 1, 5, 15

2 10001 Digital Inputs Bit

3 30001 Input Registers Registered

4 40001 Output Registers Registered

Read & Write 4, 6, 16

3.5. Communication settings

The data stored in the modules memory are in 16-bit registers. Access to registers is

via MODBUS RTU or MODBUS ASCII.

3.5.1. Default settings

You can restore the default configuration by the switch SW8 (see 3.5.2 - Restore the

default configuration)

Baud rate 19200

Parity Nie

Data bits 8

Stop bits 1

Reply Delay [ms] 0

Modbus Type RTU

3.5.2. Restore the default configuration

To restore the default configuration:

•turn off the power

•turn on the switch SW8

•turn on the power

•when power and communication LED start blinking alternately than turn off the

switch SW8

Caution! After restoring the default configuration all values stored in the registers will

be cleared as well.

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3.5.3. Configuration registers

Modbus Dec Hex Name Values

40003 2 0x02 Baud rate

0 – 2400

1 – 4800

2 – 9600

3 – 19200

4 – 38400

5 – 57600

6 – 115200

other – value * 10

40005 4 0x04 Parity

0 – none

1 – odd

2 – even

3 – always 1

4 – always 0

40004 3 0x03 Stop Bits LSB 1 – one stop bit

2 – two stop bit

40004 3 0x03 Data Bits MSB 7 – 7 data bits

8 – 8 data bits

40006 5 0x05 Response delay Time in ms

40007 6 0x06 Modbus Mode 0 – RTU

1 – ASCII

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4. Switches

Switch Function Description

1 Module address +1

Setting module address from 0 to 127

2 Module address +2

3 Module address +4

4 Module address +8

5 Module address +16

6 Module address +32

7 Module address +64

Restoring

default settings

Restoring default settings

(see 3.5.1 - Default settings i 3.5.2 - Restore the

default configuration).

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5. Front panel removing

To remove the panel and gain access to the switch, you must pry open the panel using

a thin tool (eg a small screwdriver) as in the picture below.

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6. Indicators

Indicator Description

Power supply LED indicates that the module is correctly powered.

Communication The LED lights up when the unit received the correct packet and

sends the answer.

Inputs state LED indicates that the signal to input is connected.

Outputs state LED indicates that the output is on.

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1 2 3 4 5 6 7 8

Communication

mini USB

configuration

connector

Power supply

Inputs 1 – 3 state Output 1 state

Inputs 4 – 6 state Output 2 state

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User Manual

7. Module Connection

7.1. Temperature inputs

PT100 2-wire PT100 3-wire Thermocouple

7.2. Digital outputs

NPN, max 0,5A

7.3. Communication, power supply

Communication Power supply, DC Voltage

24VDC

Power supply, AC voltage

24VAC

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8. Modules Registers

8.1. Registered access

Modbus Dec Hex Register Name Access Description

30001 0 0x00 Version/Type Read Version and Type of the device

30002 1 0x01 Switches Read Switches state

40003 2 0x02 Boud rate Read & Write RS485 baud rate

40004 3 0x03 Stop bits Read & Write No of Stop bits

40005 4 0x04 Parity Read & Write Parity bit

40006 5 0x05 Respons Delay Read & Write Response delay in ms

40007 6 0x06 Modbus Mode Read & Write Modbus Mode (ASCII or RTU)

40033 32 0x20 Received packets LSB Read & Write No of received packets

40034 33 0x21 Received packets MSB Read & Write

40035 34 0x22 Incorrect packets LSB Read & Write No of received packets with error

40036 35 0x23 Incorrect packets MSB Read & Write

40037 36 0x24 Sent packets LSB Read & Write No of sent packets

40038 37 0x25 Sent packets MSB Read & Write

30051 50 0x32 Inputs Read Connected sensors

Bit in high state → sensor is connected

40052 51 0x33 Outputs Read Alarms state

bit 6 and 7 alarm outputs

30053 52 0x34 Temperature 1 Read

Temperature or measured analog

in mV・10 for voltage to 2048mV

in mV・100 for voltage to 256mV

in °C・10 for temperature

in Ω for resistance

30054 53 0x35 Temperature 2 Read

30055 54 0x36 Temperature 3 Read

30056 55 0x37 Temperature 4 Read

30057 56 0x38 Temperature 5 Read

30058 57 0x39 Temperature 6 Read

30059 58 0x3A Alarm temperature 1 Read Alarm temperature for alarm output 1

30060 59 0x3B Alarm temperature 2 Read Alarm temperature for alarm output 2

30061 60 0x3C Junction temperature Read Module junction temperature

30062 61 0x3D Measurement current Read Measurement current

40063 62 0x3E MAX alarm level 1 Read & Write

If the temperature exceeds this value the

corresponding alarm flag is set

40064 63 0x3F MAX alarm level 2 Read & Write

40065 64 0x40 MAX alarm level 3 Read & Write

40066 65 0x41 MAX alarm level 4 Read & Write

40067 66 0x42 MAX alarm level 5 Read & Write

40068 67 0x43 MAX alarm level 6 Read & Write

40069 68 0x44 MIN alarm level 1 Read & Write If the temperature is below this value

corresponding alarm flag is set

40070 69 0x45 MIN alarm level 2 Read & Write

40071 70 0x46 MIN alarm level 3 Read & Write

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Modbus Dec Hex Register Name Access Description

40072 71 0x47 MIN alarm level 4 Read & Write

40073 72 0x48 MIN alarm level 5 Read & Write

40074 73 0x49 MIN alarm level 6 Read & Write

40075 74 0x4A Alarm settings 1 Read & Write

Alarm settings:

0 – alarm due to the current temperature

1 – Remember the value of the alarm, until reset

by the master via Modbus

40076 75 0x4B Alarm settings 2 Read & Write

40077 76 0x4C Alarm settings 3 Read & Write

40078 77 0x4D Alarm settings 4 Read & Write

40079 78 0x4E Alarm settings 5 Read & Write

40080 79 0x4F Alarm settings 6 Read & Write

40081 80 0x50 Constant junction

temperature Read & Write Value of junction temperature

40082 81 0x51 Junction temperature

offset Read & Write Junction temperature offset

40083 82 0x52 Input 1 settings Read & Write

Analog input mode:

0 – input disabled

1 – voltage to 2048mV

2 – voltage to 256mV

3 – J thermocouple

4 – K thermocouple

5 – T thermocouple

6 – N thermocouple

7 – S thermocouple

8 – R thermocouple

9 – B thermocouple

10 – Pt100 3-wire

11 – Pt100 2-wire

12 - resistance to 8kΩ

13 - NI100

14 – KTY81-110

15 – Pt500 3-wire

16 – Pt500 2-wire

17 – Pt1000 3-wire

18 – Pt1000 2-wire

19 – NTC Carel 2-wire1

+32 – junction temperature is taken from register

40081 "Constant junction temperature"

40084 83 0x53 Input 2 settings Read & Write

40085 84 0x54 Input 3 settings Read & Write

40086 85 0x55 Input 4 settings Read & Write

40087 86 0x56 Input 5 settings Read & Write

40088 87 0x57 Input 6 settings Read & Write

40089 88 0x58

Output 1 settings

Read & Write

Alarm output settings

0 – output is set by PLC

+1 – temperature from input 1

+2 – temperature from input 2

+4 – temperature from input 3

+8 – temperature from input 4

+16 – temperature from input 5

+32 – temperature from input 6

1 Sensor must be connected in paraller to resistor 7.5kΩ 1%

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Modbus Dec Hex Register Name Access Description

+256 – Output is set if value is greater than Alarm

Value (register 40091 or 40092) („cooling”)

+512 – Output is set if value is less than Alarm

Value ( register 40091 or 40092)(„heating”)

+1024 – The lowest value from selected inputs

+2048 – The greatest value from selected inputs

(if not select either of the two above options than

is used average value of selected inputs)

40090 89 0x59 Output 2 settings Read & Write

40091 90 0x5A Alarm Value 1 Read & Write Alarm value for outputs

40092 91 0x5B Alarm Value 2 Read & Write

40093 92 0x5C Alarm hysteresis 1 Read & Write The hysteresis value for alarm

outputs

40094 93 0x5D Alarm hysteresis 2 Read & Write

40095 94 0x5E Input resistance 1 Read & Write

Lead wire resistance for each input

40096 95 0x5F Input resistance 2 Read & Write

40097 96 0x60 Input resistance 3 Read & Write

40098 97 0x61 Input resistance 4 Read & Write

40099 98 0x62 Input resistance 5 Read & Write

40100 99 0x63 Input resistance 6 Read & Write

8.2. Bit access

Modbus Dec Hex Register Name Access Description

801 800 0x320 Input 1 Read Set when the sensor is connected

802 801 0x321 Input 2 Read Set when the sensor is connected

803 802 0x322 Input 3 Read Set when the sensor is connected

804 803 0x323 Input 4 Read Set when the sensor is connected

805 804 0x324 Input 5 Read Set when the sensor is connected

806 805 0x325 Input 6 Read Set when the sensor is connected

817 816 0x330 Alarm 1 Read Alarmu state 1

818 817 0x331 Alarm 2 Read Alarmu state 2

819 818 0x332 Alarm 3 Read Alarmu state 3

820 819 0x333 Alarm 4 Read Alarmu state 4

821 820 0x334 Alarm 5 Read Alarmu state 5

822 821 0x335 Alarm 6 Read Alarmu state 6

823 822 0x336 Digital output 1 Read & Write State of digital output 1

824 823 0x337 Digital output 2 Read & Write State of digital output 2

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9. Configuration software

Modbus Configurator is software that is designed to set the module registers

responsible for communication over Modbus network as well as to read and write the

current value of other registers of the module. This program can be a convenient way to

test the system as well as to observe real-time changes in the registers.

Communication with the module is done via the USB cable. The module does

not require any drivers.

Configurator is a universal program, whereby it is possible to configure all available

modules.

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Table of Contents

1. Safety rules......................................................................................................................................3

2. Module Features..............................................................................................................................3

2.1. Purpose and description of the module....................................................................................3

2.2. Technical Specifications..........................................................................................................4

2.3. Dimensions of the product.......................................................................................................5

3. Communication configuration.........................................................................................................6

3.1. Grounding and shielding..........................................................................................................6

3.2. Network Termination...............................................................................................................6

3.3. Setting Module Address in RS485 Modbus Network..............................................................6

3.4. Types of Modbus Registers......................................................................................................7

3.5. Communication settings..........................................................................................................7

3.5.1. Default settings................................................................................................................7

3.5.2. Restore the default configuration.....................................................................................7

3.5.3. Configuration registers.....................................................................................................8

4. Switches...........................................................................................................................................9

5. Front panel removing....................................................................................................................10

6. Indicators.......................................................................................................................................11

7. Module Connection.......................................................................................................................12

7.1. Temperature inputs.................................................................................................................12

7.2. Digital outputs........................................................................................................................12

7.3. Communication, power supply..............................................................................................12

8. Modules Registers.........................................................................................................................13

8.1. Registered access...................................................................................................................13

8.2. Bit access...............................................................................................................................15

9. Configuration software..................................................................................................................16

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Manufactured for:

ASPAR s.c.